Senior Design Engineer

WR HVAC; Glasgow; On-site; GBP 65,000 - 75,000; Full time

Benefits offered by this job

25 days annual leave + Bank Holidays

Pension scheme

Continuous professional and technical

Career progression

Job summary

WR HVAC in Glasgow is seeking a Senior Design Engineer to lead the design and development of refrigeration and chilled water systems. The role involves acting as the technical authority on thermodynamic design, system integration and performance optimisation, with responsibility for calculations, specifications and documentation.

You will collaborate with sales and technical teams, guide projects through from concept to commissioning, and mentor junior engineers.

Qualifications

• Bachelor's degree in Mechanical Engineering or closely related discipline.
• Strong understanding of thermodynamics and heat transfer in refrigeration systems.
• Experience designing chillers or complex cooling plants.
• Ability to produce engineering calculations, P&IDs, specs, and reports.

Responsibilities

• Lead design and development of refrigeration and chilled water systems from concept to commissioning.
• Act as technical authority for thermodynamic design, component selection, and performance optimisation.
• Prepare and review calculations, P&IDs, specifications, and design reports.
• Provide governance across project lifecycles and commissioning.
• Support bids and customer discussions with technical input.
• Collaborate with customers, suppliers, manufacturing and testing teams for successful delivery.
• Mentor junior engineers in refrigeration discipline.

Skills

Thermodynamics

Refrigeration design

Chilled water systems

P&ID review

Project leadership

Education

Bachelor's degree in Mechanical Engineering

Job description

Senior Design Engineer

Glasgow

£65,000 - £75,000 per annum

A specialist manufacturer delivering advanced refrigeration, chilled water, and HVAC systems for technically demanding applications. The business designs and delivers bespoke chilled water plants, refrigeration packages, and fully integrated cooling systems, taking projects from initial concept and system design through manufacturing, testing, and commissioning. This is a senior technical position offering the opportunity to take ownership of complex refrigeration engineering projects and influence the development of high-performance cooling solutions.

Key Responsibilities:

• Lead the design and development of refrigeration and chilled water systems from initial concept through to commissioning
• Act as the technical authority for thermodynamic design, component selection, system integration, and performance optimisation
• Produce and review calculations, P&IDs, specifications, technical documentation, and design reports
• Provide engineering governance throughout the full project lifecycle and commissioning
• Support sales and commercial teams with technical input for bids, proposals, customer discussions, and solution development
• Work closely with customers, suppliers, manufacturing, testing, and commissioning teams to ensure successful project delivery
• Mentor and provide technical guidance to junior engineers within the refrigeration discipline

Package:

• £65,000 - £75,000 per annum
• 25 days annual leave + Bank Holidays
• Pension scheme
• Continuous professional and technical development
• Career progression

What You'll Need:

• Strong technical background in refrigeration system and chilled water plant design
• Excellent understanding of thermodynamics, heat transfer, refrigeration system design, and modelling
• Experience designing and specifying chillers, refrigeration plants, or complex cooling systems
• Ability to produce and review engineering calculations, P&IDs, specifications, and technical documentation
• Experience working within relevant UKCA, regulatory, and engineering compliance requirements
• Bachelor's degree in Mechanical Engineering, Refrigeration Engineering, or a closely related discipline
• Strong communication and stakeholder management skills with the ability to provide technical leadership across multidisciplinary projects
• Chartered Engineer status or progress towards chartership would be advantageous